The Man Who Got a New Face Department S : Season 2 Episode 3

An intruder named Gerhard breaks into the heavily guarded grounds of a villa belonging to a man named Kolliatis, who has just gone to sleep after watching a home movie. Rather than steal anything Gerhard glues a clown's mask onto the sleeping man's face. When Kolliatis wakes up and tries to remove it he has a heart attack and dies. As he was a friend of Sir Curtis the Department 'S' team are called in and discover a vendetta and a blackmail racket.